Submission #833181

#	Time	Username	Problem	Language	Result	Execution time	Memory
833181		vjudge1	Bomb (IZhO17_bomb)	C++17	11 / 100	255 ms	49444 KiB

bomb

#include <bits/stdc++.h>
using namespace std;

int n, m;
const int maxn = 2504;
int chainw[maxn][maxn];
int maxw[maxn];
int chainh[maxn][maxn];
int maxh[maxn];

int main() {
    cin >> n >> m;

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            char x;
            cin >> x;
            if (x == '1') {
                chainw[i][j] = chainw[i][j-1]+1;
                chainh[i][j] = chainh[i-1][j]+1;
                maxw[i] = j;
                maxh[j] = i;
            }
        }
    }

    int maxpossiblew = maxn;
    int maxpossibleh = maxn;

    for (int i = 1; i <= n; i++) {
        if (maxw[i] == 0) continue;
        maxpossiblew = min(maxpossiblew, chainw[i][maxw[i]]);
    }
    for (int j = 1; j <= m; j++) {
        if (maxh[j] == 0) continue;
        maxpossibleh = min(maxpossibleh, chainh[maxh[j]][j]);
    }

    cout << maxpossibleh * maxpossiblew << endl;

    return 0;
}

• Subtask 1: 11 / 100